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cube tower

This commit is contained in:
Luca Conte 2025-04-22 19:40:48 +02:00
parent 1db1b9378b
commit 1e2adcfe37
1 changed files with 15 additions and 29 deletions
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44
src/main.c
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@ -264,8 +264,8 @@ void draw(void) {
mat4 viewMatrix; mat4 viewMatrix;
// mat4Identity(viewMatrix); // mat4Identity(viewMatrix);
vec3 cameraPos = {0.0f, 0.0f, 2.0f}; vec3 cameraPos = {0.0f, 1.0f, 1.3f};
vec3 cameraLookAt = {0.0f, 0.0f, -1.0f}; vec3 cameraLookAt = {0.0f, 0.2f, 0.0f};
vec3 cameraUp = {0.0f, 1.0f, 0.0f}; vec3 cameraUp = {0.0f, 1.0f, 0.0f};
mat4BuildLookAt(viewMatrix, cameraPos, cameraLookAt, cameraUp); mat4BuildLookAt(viewMatrix, cameraPos, cameraLookAt, cameraUp);
@ -277,38 +277,24 @@ void draw(void) {
mat4 modelMatrix; mat4 modelMatrix;
vec3 scale; vec3 scale;
vec3 position; vec3 position;
mat4 scaledMatrix;
mat4Identity(scaledMatrix); float scales[] = {0.5f, 0.4f, 0.3f, 0.2f, 0.1f, 0.09f, 0.08f, 0.07f, 0.06f, 0.05f};
for (int i = 0; i < 10; i++) {
mat4Identity(modelMatrix);
vec3Set(scale, 0.2f, 0.2f, 0.2f); vec3Set(scale, scales[i], 0.05f, scales[i]);
mat4Scale(scaledMatrix, scaledMatrix, scale); mat4Scale(modelMatrix, modelMatrix, scale);
mat4RotateY(modelMatrix, modelMatrix, currentHue * 2 * M_PI + (i / 5.0f * M_PI));
vec3Set(position, 0.0f, i * 0.05f, 0.0f);
mat4Translate(modelMatrix, modelMatrix, position);
drawCube(position, modelMatrix, viewMatrix);
}
// draw cubes
// cube 1
vec3Set(position, -1.0f, 0.0f, 0.0f);
mat4RotateZ(modelMatrix, scaledMatrix, currentHue * PI * 4);
mat4RotateY(modelMatrix, modelMatrix, currentHue * PI * 2);
drawCube(position, modelMatrix, viewMatrix);
// cube 2
vec3Set(position, 0.0f, 0.0f, 0.0f);
mat4RotateY(modelMatrix, scaledMatrix, currentHue * PI * 4);
mat4RotateX(modelMatrix, modelMatrix, currentHue * PI * 2);
drawCube(position, modelMatrix, viewMatrix);
// cube 3
vec3Set(position, 1.0f, 0.0f, 0.0f);
mat4RotateX(modelMatrix, scaledMatrix, currentHue * PI * 4);
mat4RotateZ(modelMatrix, modelMatrix, currentHue * PI * 2);
drawCube(position, modelMatrix, viewMatrix);
} }
void framebuffer_size_callback(GLFWwindow* window, int width, int height) { void framebuffer_size_callback(GLFWwindow* window, int width, int height) {