diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gfx/rodeo_gfx.c | 79 |
1 files changed, 61 insertions, 18 deletions
diff --git a/src/gfx/rodeo_gfx.c b/src/gfx/rodeo_gfx.c index 2c2cc33..cff94a8 100644 --- a/src/gfx/rodeo_gfx.c +++ b/src/gfx/rodeo_gfx.c @@ -515,12 +515,14 @@ rodeo_gfx_texture_2d_destroy(rodeo_gfx_texture_2d_t texture) void rodeo_gfx_rectangle_draw( const rodeo_rectangle_t rectangle, + const float turns, const rodeo_color_RGBAFloat_t color ) { rodeo_gfx_texture_2d_draw( rectangle, (rodeo_rectangle_t){ 0, 0, (float)rodeo_gfx_texture_2d_default_get().width, (float)rodeo_gfx_texture_2d_default_get().height }, + turns, color, rodeo_gfx_texture_2d_default_get() ); @@ -602,6 +604,7 @@ void rodeo_gfx_texture_2d_draw( const rodeo_rectangle_t destination, const rodeo_rectangle_t source, + const float turns, const rodeo_color_RGBAFloat_t color, const rodeo_gfx_texture_2d_t texture ) @@ -629,10 +632,6 @@ rodeo_gfx_texture_2d_draw( }; } - // if not using texture: use default instead - // otherwise check what current texture is active - // if none or the same: set it - // if different: flush and then set it if(texture.data != NULL) { rodeo_gfx_texture_set(texture); @@ -644,11 +643,56 @@ rodeo_gfx_texture_2d_draw( { rodeo_gfx_renderer_flush(); } + + rodeo_math_vec2_t vertex_pos[4]; + + if(turns == 0.0f) + { + vertex_pos[0] = (rodeo_math_vec2_t){ + .val.x = destination.width + destination.x, + .val.y = destination.height + destination.y + }; + vertex_pos[1] = (rodeo_math_vec2_t){ + .val.x = destination.width + destination.x, + .val.y = destination.y + }; + vertex_pos[2] = (rodeo_math_vec2_t){ + .val.x = destination.x, + .val.y = destination.y + }; + vertex_pos[3] = (rodeo_math_vec2_t){ + .val.x = destination.x, + .val.y = destination.height + destination.y + }; + } + else + { + float sin_rotation = sinf(rodeo_math_turns_to_radians(turns)); + float cos_rotation = cosf(rodeo_math_turns_to_radians(turns)); + + vertex_pos[0] = (rodeo_math_vec2_t){ + .val.x = -(destination.height * sin_rotation) + (destination.width * cos_rotation) + destination.x, + .val.y = (destination.height * cos_rotation) + (destination.width * sin_rotation) + destination.y + }; + vertex_pos[1] = (rodeo_math_vec2_t){ + .val.x = -(destination.width * cos_rotation) + destination.x, + .val.y = (destination.width * sin_rotation) + destination.y + }; + vertex_pos[2] = (rodeo_math_vec2_t){ + .val.x = destination.x, + .val.y = destination.y + }; + vertex_pos[3] = (rodeo_math_vec2_t){ + .val.x = -(destination.height * sin_rotation) + destination.x, + .val.y = (destination.height * cos_rotation) + destination.y + }; + } + rodeo_gfx_vertex_add( (rodeo_gfx_vertex_t) { - .x = destination.width + destination.x, - .y = destination.height + destination.y, + .x = vertex_pos[0].val.x, + .y = vertex_pos[0].val.y, //.z = 0.0f, .color = color, .texture_id = texture_uniform_slot, @@ -656,12 +700,11 @@ rodeo_gfx_texture_2d_draw( .texture_y = source_applied.height + source_applied.y, } ); - rodeo_gfx_vertex_add( (rodeo_gfx_vertex_t) { - .x = destination.width + destination.x, - .y = destination.y, + .x = vertex_pos[1].val.x, + .y = vertex_pos[1].val.y, //.z = 0.0f, .color = color, .texture_id = texture_uniform_slot, @@ -672,8 +715,8 @@ rodeo_gfx_texture_2d_draw( rodeo_gfx_vertex_add( (rodeo_gfx_vertex_t) { - .x = destination.x, - .y = destination.y, + .x = vertex_pos[2].val.x, + .y = vertex_pos[2].val.y, //.z = 0.0f, .color = color, .texture_id = texture_uniform_slot, @@ -684,13 +727,13 @@ rodeo_gfx_texture_2d_draw( rodeo_gfx_vertex_add( (rodeo_gfx_vertex_t) { - .x = destination.x, - .y = destination.height + destination.y, - //.z = 0.0f, - .color = color, - .texture_id = texture_uniform_slot, - .texture_x = source_applied.x, - .texture_y = source_applied.height + source_applied.y, + .x = vertex_pos[3].val.x, + .y = vertex_pos[3].val.y, + //.z = 0.0f, + .color = color, + .texture_id = texture_uniform_slot, + .texture_x = source_applied.x, + .texture_y = source_applied.height + source_applied.y, } ); |