diff options
Diffstat (limited to 'math.c')
| -rw-r--r-- | math.c | 123 |
1 files changed, 0 insertions, 123 deletions
@@ -276,29 +276,11 @@ static void v2_print(v2 v) { printf("(%f, %f)\n", v.x, v.y); } -#if MATH_GL -static void v2_gl_vertex(v2 v) { - glVertex2f(v.x, v.y); -} -#endif - static v2 v2_rand_unit(void) { float theta = rand_uniform(0, TAUf); return V2(cosf(theta), sinf(theta)); } -#if MATH_GL -static void v2_rand_unit_test(void) { - int i; - glColor3f(1.0f, 0.0f, 0.0f); - glBegin(GL_POINTS); - for (i = 0; i < 100000; ++i) { - v2_gl_vertex(v2_rand_unit()); - } - glEnd(); -} -#endif - static v2 v2_polar(float r, float theta) { return V2(r * cosf(theta), r * sinf(theta)); } @@ -321,20 +303,6 @@ static v3 v3_from_v2(v2 v) { return V3(v.x, v.y, 0); } -#if MATH_GL -static void v3_gl_vertex(v3 v) { - glVertex3f(v.x, v.y, v.z); -} - -static void v3_gl_color(v3 v) { - glColor3f(v.x, v.y, v.z); -} - -static void v3_gl_color_alpha(v3 v, float alpha) { - glColor4f(v.x, v.y, v.z, alpha); -} -#endif - static v3 v3_add(v3 a, v3 b) { return V3(a.x + b.x, a.y + b.y, a.z + b.z); } @@ -413,18 +381,6 @@ static v3 v3_rand_unit(void) { return V3(0, 0, 0); } -#if MATH_GL -static void v3_rand_unit_test(void) { - int i; - glColor3f(1.0f, 0.0f, 0.0f); - glBegin(GL_POINTS); - for (i = 0; i < 100000; ++i) { - v3_gl_vertex(v3_rand_unit()); - } - glEnd(); -} -#endif - typedef struct { float x, y, z, w; } v4; @@ -440,12 +396,6 @@ static v4 V4(float x, float y, float z, float w) { return v; } -#if MATH_GL -static void v4_gl_color(v4 v) { - glColor4f(v.x, v.y, v.z, v.w); -} -#endif - static v4 v4_add(v4 a, v4 b) { return V4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w); } @@ -719,60 +669,6 @@ static void rect_print(Rect r) { printf("Position: (%f, %f), Size: (%f, %f)\n", r.pos.x, r.pos.y, r.size.x, r.size.y); } -#if MATH_GL - -#if 0 -// must be rendering GL_QUADS to use these functions! - -static void rect_render(Rect r) { - float x1 = r.pos.x, y1 = r.pos.y, x2 = x1 + r.size.x, y2 = y1 + r.size.y; - glVertex2f(x1, y1); - glVertex2f(x2, y1); - glVertex2f(x2, y2); - glVertex2f(x1, y2); -} - -static void rect_render_border(Rect r, float border_thickness) { - float border_radius = border_thickness * 0.5f; - float x1 = r.pos.x, y1 = r.pos.y, x2 = x1 + r.size.x, y2 = y1 + r.size.y; - - glVertex2f(x1+border_radius, y1-border_radius); - glVertex2f(x1+border_radius, y1+border_radius); - glVertex2f(x2+border_radius, y1+border_radius); - glVertex2f(x2+border_radius, y1-border_radius); - - glVertex2f(x1-border_radius, y2-border_radius); - glVertex2f(x1-border_radius, y2+border_radius); - glVertex2f(x2-border_radius, y2+border_radius); - glVertex2f(x2-border_radius, y2-border_radius); - - glVertex2f(x1-border_radius, y1-border_radius); - glVertex2f(x1+border_radius, y1-border_radius); - glVertex2f(x1+border_radius, y2-border_radius); - glVertex2f(x1-border_radius, y2-border_radius); - - glVertex2f(x2-border_radius, y1+border_radius); - glVertex2f(x2+border_radius, y1+border_radius); - glVertex2f(x2+border_radius, y2+border_radius); - glVertex2f(x2-border_radius, y2+border_radius); -} -#endif - -/* - gl grayscale color - i am tired of not having this -*/ -static void gl_color1f(float v) { - glColor3f(v,v,v); -} - -/* - gl grayscale+alpha color -*/ -static void gl_color2f(float v, float a) { - glColor4f(v,v,v,a); -} - static void rgba_u32_to_floats(u32 rgba, float floats[4]) { floats[0] = (float)((rgba >> 24) & 0xFF) / 255.f; floats[1] = (float)((rgba >> 16) & 0xFF) / 255.f; @@ -786,23 +682,6 @@ static v4 rgba_u32_to_v4(u32 rgba) { return V4(c[0], c[1], c[2], c[3]); } -// color is 0xRRGGBBAA -static void gl_color_rgba(u32 color) { - glColor4ub((u8)(color >> 24), (u8)(color >> 16), (u8)(color >> 8), (u8)color); -} - -// color is 0xRRGGBB -static void gl_color_rgb(u32 color) { - gl_color_rgba((color << 8) | 0xff); -} - -static void gl_quad(float x1, float y1, float x2, float y2) { - glVertex2f(x1, y1); - glVertex2f(x2, y1); - glVertex2f(x2, y2); - glVertex2f(x1, y2); -} - // returns average of red green and blue components of color static float rgba_brightness(u32 color) { u8 r = (u8)(color >> 24), g = (u8)(color >> 16), b = (u8)(color >> 8); @@ -828,5 +707,3 @@ static bool rect_clip_to_rect(Rect *clipped, Rect clipper) { clipped->size.y = clampf(clipped->size.y, 0, clipper.pos.y + clipper.size.y - clipped->pos.y); return clipped->size.x > 0 && clipped->size.y > 0; } -#endif - |