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Updating julia set example.

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Now dividing by the zoom instead of multiplying (in the shader), so zoom works as expected. Also zoom increase/decrease is now scaled depending on the current zoom.
This commit is contained in:
eggmund 2019-05-15 17:55:19 +01:00
parent 998b4180e1
commit a7c5e3cab7
2 changed files with 10 additions and 10 deletions
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8
examples/shaders/shaders_julia_set.c
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@ -40,14 +40,14 @@ int main()
// Load julia set shader
// NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
Shader shader = LoadShader(0, "resources/shaders/glsl330/julia_shader.fs");
Shader shader = LoadShader(0, "julia_shader.fs");
// c constant to use in z^2 + c
float c[2] = { POINTS_OF_INTEREST[0][0], POINTS_OF_INTEREST[0][1] };
// Offset and zoom to draw the julia set at. (centered on screen and 1.6 times smaller)
float offset[2] = { -(float)screenWidth/2, -(float)screenHeight/2 };
float zoom = 1.6f;
float zoom = 1.0f;
Vector2 offsetSpeed = { 0.0f, 0.0f };
@ -111,8 +111,8 @@ int main()
// Probably offset movement should be proportional to zoom level
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON) || IsMouseButtonDown(MOUSE_RIGHT_BUTTON))
{
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) zoom -= 0.003f;
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) zoom += 0.003f;
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) zoom += zoom * 0.003f;
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) zoom -= zoom * 0.003f;
Vector2 mousePos = GetMousePosition();