Commit 38278cee6001cbaaebe6cb16c03363d0eb0705f7
2024-02-26T19:26:50
matrix: column
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diff --git a/libc3/window/sdl2/demo/matrix.c b/libc3/window/sdl2/demo/matrix.c
index f307bf0..827b089 100644
--- a/libc3/window/sdl2/demo/matrix.c
+++ b/libc3/window/sdl2/demo/matrix.c
@@ -154,7 +154,7 @@ bool matrix_text_init (s_tag *tag, f32 y)
buf_init(&buf, false, sizeof(a), a);
u8_random_uniform(&i, 10);
spacing = i * MATRIX_FONT_SIZE;
- u8_random_uniform(&len, 70);
+ u8_random_uniform(&len, 40);
len += 10;
text = gl_vtext_new(&g_matrix_font);
if (! text ||
@@ -173,6 +173,7 @@ bool matrix_text_init (s_tag *tag, f32 y)
bool matrix_text_render (s_sequence *seq, const s_tag *tag, f32 **py)
{
const s_map *map;
+ s_mat4 matrix;
const s_gl_text *text;
f32 *y;
assert(seq);
@@ -197,26 +198,27 @@ bool matrix_text_render (s_sequence *seq, const s_tag *tag, f32 **py)
y = &map->value[2].data.f32;
if (seq->t - g_matrix_time > MATRIX_TIME)
*y -= MATRIX_FONT_SIZE;
- mat4_init_identity(&g_ortho.model_matrix);
- printf("y %f\n", *y);
- mat4_translate(&g_ortho.model_matrix,
- (MATRIX_FONT_SIZE - text->pt_w) / 2, *y, 0);
- gl_ortho_update_model_matrix(&g_ortho);
- assert(glGetError() == GL_NO_ERROR);
- gl_ortho_color(&g_ortho, 0, 1, 0, 1);
- assert(glGetError() == GL_NO_ERROR);
- glEnable(GL_BLEND);
- glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
- GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
- gl_ortho_vtext_render(&g_ortho, text);
- assert(glGetError() == GL_NO_ERROR);
- glDisable(GL_DEPTH_TEST);
- gl_ortho_color(&g_ortho, 1, 1, 1, 1);
- gl_ortho_bind_texture(&g_ortho,
- gl_sprite_texture(&g_matrix_shade, 0));
- assert(glGetError() == GL_NO_ERROR);
- gl_ortho_rect(&g_ortho, 0, MATRIX_FONT_SIZE - text->pt_h,
- text->pt_w, text->pt_h - MATRIX_FONT_SIZE);
+ matrix = g_ortho.model_matrix; {
+ printf("y %f\n", *y);
+ mat4_translate(&g_ortho.model_matrix,
+ (MATRIX_FONT_SIZE - text->pt_w) / 2, *y, 0);
+ gl_ortho_update_model_matrix(&g_ortho);
+ assert(glGetError() == GL_NO_ERROR);
+ gl_ortho_color(&g_ortho, 0, 1, 0, 1);
+ assert(glGetError() == GL_NO_ERROR);
+ glEnable(GL_BLEND);
+ glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
+ GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+ gl_ortho_vtext_render(&g_ortho, text);
+ assert(glGetError() == GL_NO_ERROR);
+ glDisable(GL_DEPTH_TEST);
+ gl_ortho_color(&g_ortho, 1, 1, 1, 1);
+ gl_ortho_bind_texture(&g_ortho,
+ gl_sprite_texture(&g_matrix_shade, 0));
+ assert(glGetError() == GL_NO_ERROR);
+ gl_ortho_rect(&g_ortho, 0, MATRIX_FONT_SIZE - text->pt_h,
+ text->pt_w, text->pt_h - MATRIX_FONT_SIZE);
+ } g_ortho.model_matrix = matrix;
assert(glGetError() == GL_NO_ERROR);
glDisable(GL_BLEND);
assert(glGetError() == GL_NO_ERROR);