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Rotations fixy smixy

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Charlie 2024-07-01 11:50:02 +02:00
parent b9503d8d19
commit 3e4ddda186
2 changed files with 5 additions and 3 deletions
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2
entry.c
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@ -4,7 +4,7 @@
int start(int argc, char **argv) { int start(int argc, char **argv) {
window.title = fixed_string("My epic game"); window.title = fixed_string("My epic game");
window.width = 400; window.width = 700;
window.height = 400; window.height = 400;
window.x = 200; window.x = 200;
window.y = 200; window.y = 200;

6
oogabooga/drawing.c
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@ -123,12 +123,14 @@ Draw_Quad *draw_quad_projected(Draw_Quad quad, Matrix4 world_to_clip) {
return &draw_frame.current->quad_buffer[draw_frame.current->num_quads-1]; return &draw_frame.current->quad_buffer[draw_frame.current->num_quads-1];
} }
Draw_Quad *draw_quad(Draw_Quad quad) { Draw_Quad *draw_quad(Draw_Quad quad) {
return draw_quad_projected(quad, m4_multiply(m4_inverse(draw_frame.view), draw_frame.projection)); return draw_quad_projected(quad, m4_multiply(draw_frame.projection, m4_inverse(draw_frame.view)));
} }
Draw_Quad *draw_quad_xform(Draw_Quad quad, Matrix4 xform) { Draw_Quad *draw_quad_xform(Draw_Quad quad, Matrix4 xform) {
Matrix4 world_to_clip = m4_multiply(m4_inverse(draw_frame.view), xform); Matrix4 world_to_clip = m4_scalar(1.0);
world_to_clip = m4_multiply(world_to_clip, draw_frame.projection); world_to_clip = m4_multiply(world_to_clip, draw_frame.projection);
world_to_clip = m4_multiply(world_to_clip, m4_inverse(draw_frame.view));
world_to_clip = m4_multiply(world_to_clip, xform);
return draw_quad_projected(quad, world_to_clip); return draw_quad_projected(quad, world_to_clip);
} }