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Breakout spriterenderer: User-code expects rotation in degrees, make sure to convert to radians during transform generation.

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Joey de Vries
2020-04-29 17:40:12 +02:00
parent 8d8a449480
commit f9ae66b16a
1 changed files with 1 additions and 1 deletions
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src/7.in_practice/3.2d_game/0.full_source/sprite_renderer.cpp
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@@ -28,7 +28,7 @@ void SpriteRenderer::DrawSprite(Texture2D &texture, glm::vec2 position, glm::vec
model = glm::translate(model, glm::vec3(position, 0.0f)); // first translate (transformations are: scale happens first, then rotation, and then final translation happens; reversed order) model = glm::translate(model, glm::vec3(position, 0.0f)); // first translate (transformations are: scale happens first, then rotation, and then final translation happens; reversed order)
model = glm::translate(model, glm::vec3(0.5f * size.x, 0.5f * size.y, 0.0f)); // move origin of rotation to center of quad model = glm::translate(model, glm::vec3(0.5f * size.x, 0.5f * size.y, 0.0f)); // move origin of rotation to center of quad
model = glm::rotate(model, rotate, glm::vec3(0.0f, 0.0f, 1.0f)); // then rotate model = glm::rotate(model, glm::radians(rotate), glm::vec3(0.0f, 0.0f, 1.0f)); // then rotate
model = glm::translate(model, glm::vec3(-0.5f * size.x, -0.5f * size.y, 0.0f)); // move origin back model = glm::translate(model, glm::vec3(-0.5f * size.x, -0.5f * size.y, 0.0f)); // move origin back
model = glm::scale(model, glm::vec3(size, 1.0f)); // last scale model = glm::scale(model, glm::vec3(size, 1.0f)); // last scale