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shadowclad
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Compute world space transforms for rendering

master
outfrost 2020-05-27 02:51:55 +02:00
parent abfdbaf74a
commit a27a62fff0
2 changed files with 7 additions and 9 deletions
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12
src/engine/render.c
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@ -11,7 +11,7 @@ const Scene* cameraAnchor;
static const float AXIS_RADIUS = 5.0f;
static void renderScene(const Scene*);
static void renderScene(const Scene*, const Transform baseTransform);
static void setupCamera();
static void moveCameraTo(const Scene* scene);
static void drawAxes();
@ -47,7 +47,7 @@ void renderFrame() {
setupCamera();
moveCameraTo(cameraAnchor);
renderScene(currentScene);
renderScene(currentScene, identity());
glFlush();
glutSwapBuffers();
@ -55,13 +55,15 @@ void renderFrame() {
glutPostRedisplay();
}
void renderScene(const Scene* scene) {
static void renderScene(const Scene* scene, const Transform baseTransform) {
if (!scene) {
return;
}
Transform transform = multiply(scene->transform, baseTransform);
glMatrixMode(GL_MODELVIEW);
glLoadTransposeMatrixf((const GLfloat*) &scene->transform);
glLoadTransposeMatrixf((const GLfloat*) &transform);
glDisable(GL_LIGHTING);
drawAxes();
@ -76,7 +78,7 @@ void renderScene(const Scene* scene) {
}
for (size_t i = 0; i < scene->numChildren; ++i) {
renderScene(scene->children[i]);
renderScene(scene->children[i], transform);
}
}

4
src/main.c
View File

@ -48,10 +48,6 @@ int main(int argc, char** argv) {
logWarning("Could not enable vsync (extensions not supported)");
}
GLint maxModelviewStackDepth;
glGetIntegerv(GL_MAX_MODELVIEW_STACK_DEPTH, &maxModelviewStackDepth);
logDebug("GL_MAX_MODELVIEW_STACK_DEPTH: %d", maxModelviewStackDepth);
glutDisplayFunc(renderFrame);
glutReshapeFunc(resizeStage);
//glutKeyboardFunc(key_pressed);