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lesson2, projection & view settings

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randy 2024-07-03 12:40:21 +07:00
parent aceadf4aca
commit 82ada8e9e0
1 changed files with 8 additions and 2 deletions
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10
entry_randygame.c
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@ -20,6 +20,10 @@ int entry(int argc, char **argv) {
while (!window.should_close) {
reset_temporary_storage();
draw_frame.projection = m4_make_orthographic_projection(window.width * -0.5, window.width * 0.5, window.height * -0.5, window.height * 0.5, -1, 10);
float zoom = 5.3;
draw_frame.view = m4_make_scale(v3(1.0/zoom, 1.0/zoom, 1.0));
float64 now = os_get_current_time_in_seconds();
float64 delta_t = now - last_time;
last_time = now;
@ -45,11 +49,13 @@ int entry(int argc, char **argv) {
}
input_axis = v2_normalize(input_axis);
player_pos = v2_add(player_pos, v2_mulf(input_axis, 5.0 * delta_t));
player_pos = v2_add(player_pos, v2_mulf(input_axis, 100.0 * delta_t));
Vector2 size = v2(6.0, 8.0);
Matrix4 xform = m4_scalar(1.0);
xform = m4_translate(xform, v3(player_pos.x, player_pos.y, 0));
draw_image_xform(player, xform, v2(.5f, .5f), COLOR_RED);
xform = m4_translate(xform, v3(size.x * -0.5, 0.0, 0));
draw_image_xform(player, xform, size, COLOR_RED);
gfx_update();
seconds_counter += delta_t;