cleanup, and minor performance improvements, but overal using doubles instead of floats in the fragment shader, rendering speed has gone down, but now you can zoom further
This commit is contained in:
Sander Hautvast
parent
62785bd02a
commit
69d47c6767
3 changed files with 280 additions and 274 deletions
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@ -1,3 +1,5 @@
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* my first nim project https://nim-lang.org/
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* also: my first opengl project, manually translated from c++ found in https://physicspython.wordpress.com/2020/02/16/visualizing-the-mandelbrot-set-using-opengl-part-1/
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* works at least on my mac
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* start with `nimble run`
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* use arrow keys to navigate en ESC to quit
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@ -1,25 +1,22 @@
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import nimgl/[glfw, opengl]
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# keeps track of the GL program and the shaders, to interact with GL
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var GLData: tuple[program, vertexShader, fragmentShader: uint32]
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const
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WIN_WIDTH = 1000
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WIN_HEIGHT = 800
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# navigation parameters
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var
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center_x = 0.0f
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center_y = 0.0f
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zoom:float64 = 1.0
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dx=0.0
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dy=0.0
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zf=0.99
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dx = -0.001
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dy = 0.0
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zf = 0.999
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# handle keys
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proc keyProc(window: GLFWWindow, key: int32, scancode: int32, action: int32, mods: int32): void {.cdecl.} =
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# if key == GLFWKey.ESCAPE and action == GLFWPress:
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# window.setWindowShouldClose(true)
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# proc process_input(window: GLFWwindow)
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if action == GLFWPress:
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if key == GLFWKey.ESCAPE:
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window.setWindowShouldClose(true)
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@ -32,7 +29,7 @@ proc keyProc(window: GLFWWindow, key: int32, scancode: int32, action: int32, mod
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if key == GLFWKey.RIGHT:
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dx += 0.001f;
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# prints an error message if necessary (if the shader won't)
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proc logShaderCompilationFailure(shader: uint32, shader_path:string) =
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var logSize: int32
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glGetShaderiv(shader, GL_INFO_LOG_LENGTH, logSize.addr)
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@ -46,6 +43,7 @@ proc logShaderCompilationFailure(shader: uint32, shader_path:string) =
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dealloc(logStr)
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quit(-1)
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# prints an error message if necessary
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proc logProgramLinkingError() =
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var logSize: int32
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glGetProgramiv(GLData.program, GL_INFO_LOG_LENGTH, logSize.addr)
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@ -57,6 +55,7 @@ proc logProgramLinkingError() =
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dealloc(logStr)
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quit(-1)
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# compiles a shader given a source file and a type
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proc addShader(shader_path: string, shader_type: GLenum):uint32 =
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let
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shadercode = readFile(shader_path)
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@ -72,6 +71,7 @@ proc addShader(shader_path: string, shader_type: GLenum):uint32 =
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return shader
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# loads program and shaders
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proc initShaders(vertex_shader_path: string, fragment_shader_path: string) =
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GLData.program = glCreateProgram()
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GLData.vertexShader = addShader(vertex_shader_path, GL_VERTEX_SHADER)
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@ -83,6 +83,7 @@ proc initShaders(vertex_shader_path: string, fragment_shader_path: string) =
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if success == 0: logProgramLinkingError()
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# pass data to the fragment shader
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proc set_float(name: string, value:float) =
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glUniform1f(glGetUniformLocation(GLData.program, name.cstring()), value.cfloat());
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@ -107,6 +108,7 @@ proc main() =
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assert glInit()
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# two triangles that together make up the entire window
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var vertices = @[
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-1.0f, -1.0f, -0.0f,
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1.0f, 1.0f, -0.0f,
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@ -120,6 +122,7 @@ proc main() =
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# | .' |
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# 0'---3
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# load the data into GL
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var mesh: tuple[vao,vbo,ebo: uint32]
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glGenVertexArrays(1, mesh.vao.addr)
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@ -141,11 +144,13 @@ proc main() =
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glBindVertexArray(mesh.vao)
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initShaders("src/mandelbrot/shader.vert", "src/mandelbrot/shader.frag")
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while not window.windowShouldClose:
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glClearColor(0.2, 0.2, 0.2, 0.5)
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glUseProgram(GLData.program)
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glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
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glUseProgram(GLData.program)
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glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
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glBindVertexArray(mesh.vao)
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# main loop
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while not window.windowShouldClose:
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# update zoom params
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zoom *= zf
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if zf < 0.0: zf = 0.0
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center_y += dy * zoom
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@ -155,11 +160,11 @@ proc main() =
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if center_x > 1.0f: center_x = 1.0f
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if center_x < -1.0f: center_x = -1.0f
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# pass the data to the shader
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set_float("zoom", zoom)
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set_float("center_x", center_x)
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set_float("center_y", center_y)
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glBindVertexArray(mesh.vao)
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glDrawElements(GL_TRIANGLES, indices.len.cint, GL_UNSIGNED_INT, nil)
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window.swapBuffers()
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glfwPollEvents()
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@ -2,7 +2,6 @@
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in vec4 gl_FragCoord;
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out vec4 fragColor;
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//out float gl_FragDepth;
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uniform float center_x;
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uniform float center_y;
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@ -11,268 +10,268 @@ uniform float zoom;
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#define MAX_ITERATIONS 600
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const vec3 colors[256] = vec3[256](
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vec3(0.0,0.0,0.0),
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vec3(128.0,0.0,0.0),
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vec3(0.0,128.0,0.0),
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vec3(128.0,128.0,0.0),
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vec3(0.0,0.0,128.0),
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vec3(128.0,0.0,128.0),
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vec3(0.0,128.0,128.0),
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vec3(192.0,192.0,192.0),
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vec3(128.0,128.0,128.0),
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vec3(255.0,0.0,0.0),
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vec3(0.0,255.0,0.0),
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vec3(255.0,255.0,0.0),
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vec3(0.0,0.0,255.0),
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vec3(255.0,0.0,255.0),
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vec3(0.0,255.0,255.0),
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vec3(255.0,255.0,255.0),
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vec3(0.0,0.0,0.0),
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vec3(0.0,0.0,95.0),
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vec3(0.0,0.0,135.0),
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vec3(0.0,0.0,175.0),
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vec3(0.0,0.0,215.0),
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vec3(0.0,0.0,255.0),
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vec3(0.0,95.0,0.0),
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vec3(0.0,95.0,95.0),
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vec3(0.0,95.0,135.0),
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vec3(0.0,95.0,175.0),
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vec3(0.0,95.0,215.0),
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vec3(0.0,95.0,255.0),
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vec3(0.0,135.0,0.0),
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vec3(0.0,135.0,95.0),
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vec3(0.0,135.0,135.0),
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vec3(0.0,135.0,175.0),
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vec3(0.0,135.0,215.0),
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vec3(0.0,135.0,255.0),
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vec3(0.0,175.0,0.0),
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vec3(0.0,175.0,95.0),
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vec3(0.0,175.0,135.0),
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vec3(0.0,175.0,175.0),
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vec3(0.0,175.0,215.0),
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vec3(0.0,175.0,255.0),
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vec3(0.0,215.0,0.0),
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vec3(0.0,215.0,95.0),
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vec3(0.0,215.0,135.0),
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vec3(0.0,215.0,175.0),
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vec3(0.0,215.0,215.0),
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vec3(0.0,215.0,255.0),
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vec3(0.0,255.0,0.0),
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vec3(0.0,255.0,95.0),
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vec3(0.0,255.0,135.0),
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vec3(0.0,255.0,175.0),
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vec3(0.0,255.0,215.0),
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vec3(0.0,255.0,255.0),
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vec3(95.0,0.0,0.0),
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vec3(95.0,0.0,95.0),
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vec3(95.0,0.0,135.0),
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vec3(95.0,0.0,175.0),
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vec3(95.0,0.0,215.0),
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vec3(95.0,0.0,255.0),
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vec3(95.0,95.0,0.0),
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vec3(95.0,95.0,95.0),
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vec3(95.0,95.0,135.0),
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vec3(95.0,95.0,175.0),
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vec3(95.0,95.0,215.0),
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vec3(95.0,95.0,255.0),
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vec3(95.0,135.0,0.0),
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vec3(95.0,135.0,95.0),
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vec3(95.0,135.0,135.0),
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vec3(95.0,135.0,175.0),
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vec3(95.0,135.0,215.0),
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vec3(95.0,135.0,255.0),
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vec3(95.0,175.0,0.0),
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vec3(95.0,175.0,95.0),
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vec3(95.0,175.0,135.0),
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vec3(95.0,175.0,175.0),
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vec3(95.0,175.0,215.0),
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vec3(95.0,175.0,255.0),
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vec3(95.0,215.0,0.0),
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vec3(95.0,215.0,95.0),
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vec3(95.0,215.0,135.0),
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vec3(95.0,215.0,175.0),
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vec3(95.0,215.0,215.0),
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vec3(95.0,215.0,255.0),
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vec3(95.0,255.0,0.0),
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vec3(95.0,255.0,95.0),
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vec3(95.0,255.0,135.0),
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vec3(95.0,255.0,175.0),
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vec3(95.0,255.0,215.0),
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vec3(95.0,255.0,255.0),
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vec3(135.0,0.0,0.0),
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vec3(135.0,0.0,95.0),
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vec3(135.0,0.0,135.0),
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vec3(135.0,0.0,175.0),
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vec3(135.0,0.0,215.0),
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vec3(135.0,0.0,255.0),
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vec3(135.0,95.0,0.0),
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vec3(135.0,95.0,95.0),
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vec3(135.0,95.0,135.0),
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vec3(135.0,95.0,175.0),
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vec3(135.0,95.0,215.0),
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vec3(135.0,95.0,255.0),
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vec3(135.0,135.0,0.0),
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vec3(135.0,135.0,95.0),
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vec3(135.0,135.0,135.0),
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vec3(135.0,135.0,175.0),
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vec3(135.0,135.0,215.0),
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vec3(135.0,135.0,255.0),
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vec3(135.0,175.0,0.0),
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vec3(135.0,175.0,95.0),
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vec3(135.0,175.0,135.0),
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vec3(135.0,175.0,175.0),
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vec3(135.0,175.0,215.0),
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vec3(135.0,175.0,255.0),
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vec3(135.0,215.0,0.0),
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vec3(135.0,215.0,95.0),
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vec3(135.0,215.0,135.0),
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vec3(135.0,215.0,175.0),
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vec3(135.0,215.0,215.0),
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vec3(135.0,215.0,255.0),
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vec3(135.0,255.0,0.0),
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vec3(135.0,255.0,95.0),
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vec3(135.0,255.0,135.0),
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vec3(135.0,255.0,175.0),
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vec3(135.0,255.0,215.0),
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vec3(135.0,255.0,255.0),
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vec3(175.0,0.0,0.0),
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vec3(175.0,0.0,95.0),
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vec3(175.0,0.0,135.0),
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vec3(175.0,0.0,175.0),
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vec3(175.0,0.0,215.0),
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vec3(175.0,0.0,255.0),
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vec3(175.0,95.0,0.0),
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vec3(175.0,95.0,95.0),
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vec3(175.0,95.0,135.0),
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vec3(175.0,95.0,175.0),
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vec3(175.0,95.0,215.0),
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vec3(175.0,95.0,255.0),
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vec3(175.0,135.0,0.0),
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vec3(175.0,135.0,95.0),
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vec3(175.0,135.0,135.0),
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vec3(175.0,135.0,175.0),
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vec3(175.0,135.0,215.0),
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vec3(175.0,135.0,255.0),
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vec3(175.0,175.0,0.0),
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vec3(175.0,175.0,95.0),
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vec3(175.0,175.0,135.0),
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vec3(175.0,175.0,175.0),
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vec3(175.0,175.0,215.0),
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vec3(175.0,175.0,255.0),
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vec3(175.0,215.0,0.0),
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vec3(175.0,215.0,95.0),
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vec3(175.0,215.0,135.0),
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vec3(175.0,215.0,175.0),
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vec3(175.0,215.0,215.0),
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vec3(175.0,215.0,255.0),
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vec3(175.0,255.0,0.0),
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vec3(175.0,255.0,95.0),
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vec3(175.0,255.0,135.0),
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vec3(175.0,255.0,175.0),
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vec3(175.0,255.0,215.0),
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vec3(175.0,255.0,255.0),
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vec3(215.0,0.0,0.0),
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vec3(215.0,0.0,95.0),
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vec3(215.0,0.0,135.0),
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vec3(215.0,0.0,175.0),
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vec3(215.0,0.0,215.0),
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vec3(215.0,0.0,255.0),
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vec3(215.0,95.0,0.0),
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vec3(215.0,95.0,95.0),
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vec3(215.0,95.0,135.0),
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vec3(215.0,95.0,175.0),
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vec3(215.0,95.0,215.0),
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vec3(215.0,95.0,255.0),
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vec3(215.0,135.0,0.0),
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vec3(215.0,135.0,95.0),
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vec3(215.0,135.0,135.0),
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vec3(215.0,135.0,175.0),
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vec3(215.0,135.0,215.0),
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vec3(215.0,135.0,255.0),
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vec3(215.0,175.0,0.0),
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vec3(215.0,175.0,95.0),
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vec3(215.0,175.0,135.0),
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vec3(215.0,175.0,175.0),
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vec3(215.0,175.0,215.0),
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vec3(215.0,175.0,255.0),
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vec3(215.0,215.0,0.0),
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vec3(215.0,215.0,95.0),
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vec3(215.0,215.0,135.0),
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vec3(215.0,215.0,175.0),
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vec3(215.0,215.0,215.0),
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vec3(215.0,215.0,255.0),
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vec3(215.0,255.0,0.0),
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vec3(215.0,255.0,95.0),
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vec3(215.0,255.0,135.0),
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vec3(215.0,255.0,175.0),
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vec3(215.0,255.0,215.0),
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vec3(215.0,255.0,255.0),
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vec3(255.0,0.0,0.0),
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vec3(255.0,0.0,95.0),
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vec3(255.0,0.0,135.0),
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vec3(255.0,0.0,175.0),
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vec3(255.0,0.0,215.0),
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vec3(255.0,0.0,255.0),
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vec3(255.0,95.0,0.0),
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vec3(255.0,95.0,95.0),
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vec3(255.0,95.0,135.0),
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vec3(255.0,95.0,175.0),
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vec3(255.0,95.0,215.0),
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vec3(255.0,95.0,255.0),
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vec3(255.0,135.0,0.0),
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vec3(255.0,135.0,95.0),
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vec3(255.0,135.0,135.0),
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vec3(255.0,135.0,175.0),
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vec3(255.0,135.0,215.0),
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vec3(255.0,135.0,255.0),
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vec3(255.0,175.0,0.0),
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vec3(255.0,175.0,95.0),
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vec3(255.0,175.0,135.0),
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vec3(255.0,175.0,175.0),
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vec3(255.0,175.0,215.0),
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vec3(255.0,175.0,255.0),
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vec3(255.0,215.0,0.0),
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vec3(255.0,215.0,95.0),
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vec3(255.0,215.0,135.0),
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vec3(255.0,215.0,175.0),
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vec3(255.0,215.0,215.0),
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vec3(255.0,215.0,255.0),
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vec3(255.0,255.0,0.0),
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vec3(255.0,255.0,95.0),
|
||||
vec3(255.0,255.0,135.0),
|
||||
vec3(255.0,255.0,175.0),
|
||||
vec3(255.0,255.0,215.0),
|
||||
vec3(255.0,255.0,255.0),
|
||||
vec3(8.0,8.0,8.0),
|
||||
vec3(18.0,18.0,18.0),
|
||||
vec3(28.0,28.0,28.0),
|
||||
vec3(38.0,38.0,38.0),
|
||||
vec3(48.0,48.0,48.0),
|
||||
vec3(58.0,58.0,58.0),
|
||||
vec3(68.0,68.0,68.0),
|
||||
vec3(78.0,78.0,78.0),
|
||||
vec3(88.0,88.0,88.0),
|
||||
vec3(98.0,98.0,98.0),
|
||||
vec3(108.0,108.0,108.0),
|
||||
vec3(118.0,118.0,118.0),
|
||||
vec3(128.0,128.0,128.0),
|
||||
vec3(138.0,138.0,138.0),
|
||||
vec3(148.0,148.0,148.0),
|
||||
vec3(158.0,158.0,158.0),
|
||||
vec3(168.0,168.0,168.0),
|
||||
vec3(178.0,178.0,178.0),
|
||||
vec3(188.0,188.0,188.0),
|
||||
vec3(198.0,198.0,198.0),
|
||||
vec3(208.0,208.0,208.0),
|
||||
vec3(218.0,218.0,218.0),
|
||||
vec3(228.0,228.0,228.0),
|
||||
vec3(238.0,238.0,238.0)
|
||||
vec3(0.0,0.0,0.0),
|
||||
vec3(0.5,0.0,0.0),
|
||||
vec3(0.0,0.5,0.0),
|
||||
vec3(0.5,0.5,0.0),
|
||||
vec3(0.0,0.0,0.5),
|
||||
vec3(0.5,0.0,0.5),
|
||||
vec3(0.0,0.5,0.5),
|
||||
vec3(0.75,0.75,0.75),
|
||||
vec3(0.5,0.5,0.5),
|
||||
vec3(0.99609375,0.0,0.0),
|
||||
vec3(0.0,0.99609375,0.0),
|
||||
vec3(0.99609375,0.99609375,0.0),
|
||||
vec3(0.0,0.0,0.99609375),
|
||||
vec3(0.99609375,0.0,0.99609375),
|
||||
vec3(0.0,0.99609375,0.99609375),
|
||||
vec3(0.99609375,0.99609375,0.99609375),
|
||||
vec3(0.0,0.0,0.0),
|
||||
vec3(0.0,0.0,0.37109375),
|
||||
vec3(0.0,0.0,0.52734375),
|
||||
vec3(0.0,0.0,0.68359375),
|
||||
vec3(0.0,0.0,0.83984375),
|
||||
vec3(0.0,0.0,0.99609375),
|
||||
vec3(0.0,0.37109375,0.0),
|
||||
vec3(0.0,0.37109375,0.37109375),
|
||||
vec3(0.0,0.37109375,0.52734375),
|
||||
vec3(0.0,0.37109375,0.68359375),
|
||||
vec3(0.0,0.37109375,0.83984375),
|
||||
vec3(0.0,0.37109375,0.99609375),
|
||||
vec3(0.0,0.52734375,0.0),
|
||||
vec3(0.0,0.52734375,0.37109375),
|
||||
vec3(0.0,0.52734375,0.52734375),
|
||||
vec3(0.0,0.52734375,0.68359375),
|
||||
vec3(0.0,0.52734375,0.83984375),
|
||||
vec3(0.0,0.52734375,0.99609375),
|
||||
vec3(0.0,0.68359375,0.0),
|
||||
vec3(0.0,0.68359375,0.37109375),
|
||||
vec3(0.0,0.68359375,0.52734375),
|
||||
vec3(0.0,0.68359375,0.68359375),
|
||||
vec3(0.0,0.68359375,0.83984375),
|
||||
vec3(0.0,0.68359375,0.99609375),
|
||||
vec3(0.0,0.83984375,0.0),
|
||||
vec3(0.0,0.83984375,0.37109375),
|
||||
vec3(0.0,0.83984375,0.52734375),
|
||||
vec3(0.0,0.83984375,0.68359375),
|
||||
vec3(0.0,0.83984375,0.83984375),
|
||||
vec3(0.0,0.83984375,0.99609375),
|
||||
vec3(0.0,0.99609375,0.0),
|
||||
vec3(0.0,0.99609375,0.37109375),
|
||||
vec3(0.0,0.99609375,0.52734375),
|
||||
vec3(0.0,0.99609375,0.68359375),
|
||||
vec3(0.0,0.99609375,0.83984375),
|
||||
vec3(0.0,0.99609375,0.99609375),
|
||||
vec3(0.37109375,0.0,0.0),
|
||||
vec3(0.37109375,0.0,0.37109375),
|
||||
vec3(0.37109375,0.0,0.52734375),
|
||||
vec3(0.37109375,0.0,0.68359375),
|
||||
vec3(0.37109375,0.0,0.83984375),
|
||||
vec3(0.37109375,0.0,0.99609375),
|
||||
vec3(0.37109375,0.37109375,0.0),
|
||||
vec3(0.37109375,0.37109375,0.37109375),
|
||||
vec3(0.37109375,0.37109375,0.52734375),
|
||||
vec3(0.37109375,0.37109375,0.68359375),
|
||||
vec3(0.37109375,0.37109375,0.83984375),
|
||||
vec3(0.37109375,0.37109375,0.99609375),
|
||||
vec3(0.37109375,0.52734375,0.0),
|
||||
vec3(0.37109375,0.52734375,0.37109375),
|
||||
vec3(0.37109375,0.52734375,0.52734375),
|
||||
vec3(0.37109375,0.52734375,0.68359375),
|
||||
vec3(0.37109375,0.52734375,0.83984375),
|
||||
vec3(0.37109375,0.52734375,0.99609375),
|
||||
vec3(0.37109375,0.68359375,0.0),
|
||||
vec3(0.37109375,0.68359375,0.37109375),
|
||||
vec3(0.37109375,0.68359375,0.52734375),
|
||||
vec3(0.37109375,0.68359375,0.68359375),
|
||||
vec3(0.37109375,0.68359375,0.83984375),
|
||||
vec3(0.37109375,0.68359375,0.99609375),
|
||||
vec3(0.37109375,0.83984375,0.0),
|
||||
vec3(0.37109375,0.83984375,0.37109375),
|
||||
vec3(0.37109375,0.83984375,0.52734375),
|
||||
vec3(0.37109375,0.83984375,0.68359375),
|
||||
vec3(0.37109375,0.83984375,0.83984375),
|
||||
vec3(0.37109375,0.83984375,0.99609375),
|
||||
vec3(0.37109375,0.99609375,0.0),
|
||||
vec3(0.37109375,0.99609375,0.37109375),
|
||||
vec3(0.37109375,0.99609375,0.52734375),
|
||||
vec3(0.37109375,0.99609375,0.68359375),
|
||||
vec3(0.37109375,0.99609375,0.83984375),
|
||||
vec3(0.37109375,0.99609375,0.99609375),
|
||||
vec3(0.52734375,0.0,0.0),
|
||||
vec3(0.52734375,0.0,0.37109375),
|
||||
vec3(0.52734375,0.0,0.52734375),
|
||||
vec3(0.52734375,0.0,0.68359375),
|
||||
vec3(0.52734375,0.0,0.83984375),
|
||||
vec3(0.52734375,0.0,0.99609375),
|
||||
vec3(0.52734375,0.37109375,0.0),
|
||||
vec3(0.52734375,0.37109375,0.37109375),
|
||||
vec3(0.52734375,0.37109375,0.52734375),
|
||||
vec3(0.52734375,0.37109375,0.68359375),
|
||||
vec3(0.52734375,0.37109375,0.83984375),
|
||||
vec3(0.52734375,0.37109375,0.99609375),
|
||||
vec3(0.52734375,0.52734375,0.0),
|
||||
vec3(0.52734375,0.52734375,0.37109375),
|
||||
vec3(0.52734375,0.52734375,0.52734375),
|
||||
vec3(0.52734375,0.52734375,0.68359375),
|
||||
vec3(0.52734375,0.52734375,0.83984375),
|
||||
vec3(0.52734375,0.52734375,0.99609375),
|
||||
vec3(0.52734375,0.68359375,0.0),
|
||||
vec3(0.52734375,0.68359375,0.37109375),
|
||||
vec3(0.52734375,0.68359375,0.52734375),
|
||||
vec3(0.52734375,0.68359375,0.68359375),
|
||||
vec3(0.52734375,0.68359375,0.83984375),
|
||||
vec3(0.52734375,0.68359375,0.99609375),
|
||||
vec3(0.52734375,0.83984375,0.0),
|
||||
vec3(0.52734375,0.83984375,0.37109375),
|
||||
vec3(0.52734375,0.83984375,0.52734375),
|
||||
vec3(0.52734375,0.83984375,0.68359375),
|
||||
vec3(0.52734375,0.83984375,0.83984375),
|
||||
vec3(0.52734375,0.83984375,0.99609375),
|
||||
vec3(0.52734375,0.99609375,0.0),
|
||||
vec3(0.52734375,0.99609375,0.37109375),
|
||||
vec3(0.52734375,0.99609375,0.52734375),
|
||||
vec3(0.52734375,0.99609375,0.68359375),
|
||||
vec3(0.52734375,0.99609375,0.83984375),
|
||||
vec3(0.52734375,0.99609375,0.99609375),
|
||||
vec3(0.68359375,0.0,0.0),
|
||||
vec3(0.68359375,0.0,0.37109375),
|
||||
vec3(0.68359375,0.0,0.52734375),
|
||||
vec3(0.68359375,0.0,0.68359375),
|
||||
vec3(0.68359375,0.0,0.83984375),
|
||||
vec3(0.68359375,0.0,0.99609375),
|
||||
vec3(0.68359375,0.37109375,0.0),
|
||||
vec3(0.68359375,0.37109375,0.37109375),
|
||||
vec3(0.68359375,0.37109375,0.52734375),
|
||||
vec3(0.68359375,0.37109375,0.68359375),
|
||||
vec3(0.68359375,0.37109375,0.83984375),
|
||||
vec3(0.68359375,0.37109375,0.99609375),
|
||||
vec3(0.68359375,0.52734375,0.0),
|
||||
vec3(0.68359375,0.52734375,0.37109375),
|
||||
vec3(0.68359375,0.52734375,0.52734375),
|
||||
vec3(0.68359375,0.52734375,0.68359375),
|
||||
vec3(0.68359375,0.52734375,0.83984375),
|
||||
vec3(0.68359375,0.52734375,0.99609375),
|
||||
vec3(0.68359375,0.68359375,0.0),
|
||||
vec3(0.68359375,0.68359375,0.37109375),
|
||||
vec3(0.68359375,0.68359375,0.52734375),
|
||||
vec3(0.68359375,0.68359375,0.68359375),
|
||||
vec3(0.68359375,0.68359375,0.83984375),
|
||||
vec3(0.68359375,0.68359375,0.99609375),
|
||||
vec3(0.68359375,0.83984375,0.0),
|
||||
vec3(0.68359375,0.83984375,0.37109375),
|
||||
vec3(0.68359375,0.83984375,0.52734375),
|
||||
vec3(0.68359375,0.83984375,0.68359375),
|
||||
vec3(0.68359375,0.83984375,0.83984375),
|
||||
vec3(0.68359375,0.83984375,0.99609375),
|
||||
vec3(0.68359375,0.99609375,0.0),
|
||||
vec3(0.68359375,0.99609375,0.37109375),
|
||||
vec3(0.68359375,0.99609375,0.52734375),
|
||||
vec3(0.68359375,0.99609375,0.68359375),
|
||||
vec3(0.68359375,0.99609375,0.83984375),
|
||||
vec3(0.68359375,0.99609375,0.99609375),
|
||||
vec3(0.83984375,0.0,0.0),
|
||||
vec3(0.83984375,0.0,0.37109375),
|
||||
vec3(0.83984375,0.0,0.52734375),
|
||||
vec3(0.83984375,0.0,0.68359375),
|
||||
vec3(0.83984375,0.0,0.83984375),
|
||||
vec3(0.83984375,0.0,0.99609375),
|
||||
vec3(0.83984375,0.37109375,0.0),
|
||||
vec3(0.83984375,0.37109375,0.37109375),
|
||||
vec3(0.83984375,0.37109375,0.52734375),
|
||||
vec3(0.83984375,0.37109375,0.68359375),
|
||||
vec3(0.83984375,0.37109375,0.83984375),
|
||||
vec3(0.83984375,0.37109375,0.99609375),
|
||||
vec3(0.83984375,0.52734375,0.0),
|
||||
vec3(0.83984375,0.52734375,0.37109375),
|
||||
vec3(0.83984375,0.52734375,0.52734375),
|
||||
vec3(0.83984375,0.52734375,0.68359375),
|
||||
vec3(0.83984375,0.52734375,0.83984375),
|
||||
vec3(0.83984375,0.52734375,0.99609375),
|
||||
vec3(0.83984375,0.68359375,0.0),
|
||||
vec3(0.83984375,0.68359375,0.37109375),
|
||||
vec3(0.83984375,0.68359375,0.52734375),
|
||||
vec3(0.83984375,0.68359375,0.68359375),
|
||||
vec3(0.83984375,0.68359375,0.83984375),
|
||||
vec3(0.83984375,0.68359375,0.99609375),
|
||||
vec3(0.83984375,0.83984375,0.0),
|
||||
vec3(0.83984375,0.83984375,0.37109375),
|
||||
vec3(0.83984375,0.83984375,0.52734375),
|
||||
vec3(0.83984375,0.83984375,0.68359375),
|
||||
vec3(0.83984375,0.83984375,0.83984375),
|
||||
vec3(0.83984375,0.83984375,0.99609375),
|
||||
vec3(0.83984375,0.99609375,0.0),
|
||||
vec3(0.83984375,0.99609375,0.37109375),
|
||||
vec3(0.83984375,0.99609375,0.52734375),
|
||||
vec3(0.83984375,0.99609375,0.68359375),
|
||||
vec3(0.83984375,0.99609375,0.83984375),
|
||||
vec3(0.83984375,0.99609375,0.99609375),
|
||||
vec3(0.99609375,0.0,0.0),
|
||||
vec3(0.99609375,0.0,0.37109375),
|
||||
vec3(0.99609375,0.0,0.52734375),
|
||||
vec3(0.99609375,0.0,0.68359375),
|
||||
vec3(0.99609375,0.0,0.83984375),
|
||||
vec3(0.99609375,0.0,0.99609375),
|
||||
vec3(0.99609375,0.37109375,0.0),
|
||||
vec3(0.99609375,0.37109375,0.37109375),
|
||||
vec3(0.99609375,0.37109375,0.52734375),
|
||||
vec3(0.99609375,0.37109375,0.68359375),
|
||||
vec3(0.99609375,0.37109375,0.83984375),
|
||||
vec3(0.99609375,0.37109375,0.99609375),
|
||||
vec3(0.99609375,0.52734375,0.0),
|
||||
vec3(0.99609375,0.52734375,0.37109375),
|
||||
vec3(0.99609375,0.52734375,0.52734375),
|
||||
vec3(0.99609375,0.52734375,0.68359375),
|
||||
vec3(0.99609375,0.52734375,0.83984375),
|
||||
vec3(0.99609375,0.52734375,0.99609375),
|
||||
vec3(0.99609375,0.68359375,0.0),
|
||||
vec3(0.99609375,0.68359375,0.37109375),
|
||||
vec3(0.99609375,0.68359375,0.52734375),
|
||||
vec3(0.99609375,0.68359375,0.68359375),
|
||||
vec3(0.99609375,0.68359375,0.83984375),
|
||||
vec3(0.99609375,0.68359375,0.99609375),
|
||||
vec3(0.99609375,0.83984375,0.0),
|
||||
vec3(0.99609375,0.83984375,0.37109375),
|
||||
vec3(0.99609375,0.83984375,0.52734375),
|
||||
vec3(0.99609375,0.83984375,0.68359375),
|
||||
vec3(0.99609375,0.83984375,0.83984375),
|
||||
vec3(0.99609375,0.83984375,0.99609375),
|
||||
vec3(0.99609375,0.99609375,0.0),
|
||||
vec3(0.99609375,0.99609375,0.37109375),
|
||||
vec3(0.99609375,0.99609375,0.52734375),
|
||||
vec3(0.99609375,0.99609375,0.68359375),
|
||||
vec3(0.99609375,0.99609375,0.83984375),
|
||||
vec3(0.99609375,0.99609375,0.99609375),
|
||||
vec3(0.03125,0.03125,0.03125),
|
||||
vec3(0.0703125,0.0703125,0.0703125),
|
||||
vec3(0.109375,0.109375,0.109375),
|
||||
vec3(0.1484375,0.1484375,0.1484375),
|
||||
vec3(0.1875,0.1875,0.1875),
|
||||
vec3(0.2265625,0.2265625,0.2265625),
|
||||
vec3(0.265625,0.265625,0.265625),
|
||||
vec3(0.3046875,0.3046875,0.3046875),
|
||||
vec3(0.34375,0.34375,0.34375),
|
||||
vec3(0.3828125,0.3828125,0.3828125),
|
||||
vec3(0.421875,0.421875,0.421875),
|
||||
vec3(0.4609375,0.4609375,0.4609375),
|
||||
vec3(0.5,0.5,0.5),
|
||||
vec3(0.5390625,0.5390625,0.5390625),
|
||||
vec3(0.578125,0.578125,0.578125),
|
||||
vec3(0.6171875,0.6171875,0.6171875),
|
||||
vec3(0.65625,0.65625,0.65625),
|
||||
vec3(0.6953125,0.6953125,0.6953125),
|
||||
vec3(0.734375,0.734375,0.734375),
|
||||
vec3(0.7734375,0.7734375,0.7734375),
|
||||
vec3(0.8125,0.8125,0.8125),
|
||||
vec3(0.8515625,0.8515625,0.8515625),
|
||||
vec3(0.890625,0.890625,0.890625),
|
||||
vec3(0.9296875,0.9296875,0.9296875)
|
||||
);
|
||||
|
||||
int get_iterations()
|
||||
{
|
||||
double real = ((gl_FragCoord.x / 1000.0f - 1.2f) * zoom + center_x) * 1.5f;
|
||||
double imag = ((gl_FragCoord.y / 800.0f - 0.7f) * zoom + center_y) * 1.5f;
|
||||
double imag = ((gl_FragCoord.y / 800.0f - 0.9f) * zoom + center_y) * 1.5f;
|
||||
|
||||
|
||||
int iterations = 0;
|
||||
|
|
@ -306,7 +305,7 @@ vec4 return_color()
|
|||
}
|
||||
int colorIndex = int((float(iter)/float(MAX_ITERATIONS))*256);
|
||||
vec3 color = colors[colorIndex];
|
||||
return vec4(color.x/256, color.y/256, color.z/256, 1.0);
|
||||
return vec4(color.x, color.y, color.z, 1.0);
|
||||
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue