X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2Fviewport.cpp;h=4ff27920ba6d2b88b16b6391535e53aa923c5f0b;hb=HEAD;hp=4ee85c86b3c01ab15709236341a09284492a2fe7;hpb=dfe661278fe5fd69e821d530d50b78082d19ce54;p=tacos.git

diff --git a/src/graphics/viewport.cpp b/src/graphics/viewport.cpp
index 4ee85c8..4ff2792 100644
--- a/src/graphics/viewport.cpp
+++ b/src/graphics/viewport.cpp
@@ -9,10 +9,11 @@ namespace tacos {
 Viewport::Viewport(int w, int h)
 : width(w)
 , height(h)
+, inverse_size(1.0f / float(width), 1.0f / float(height))
 , fov(0.78539816339744830961f) // π/4
 , aspect(float(w) / float(h))
 , near(0.1f)
-, far(100.0f)
+, far(256.0f)
 , perspective(glm::perspective(fov, aspect, near, far))
 , ortho(glm::ortho(0.0f, float(width), float(height), 0.0f, near, far)) {
 
@@ -21,9 +22,12 @@ Viewport::Viewport(int w, int h)
 void Viewport::Resize(int w, int h) noexcept {
 	width = w;
 	height = h;
-	aspect = float(width) / float(height);
+	float fw = float(w), fh = float(h);
+	inverse_size.x = 1.0f / fw;
+	inverse_size.y = 1.0f / fh;
+	aspect = fw / fh;
 	perspective = glm::perspective(fov, aspect, near, far);
-	ortho = glm::ortho(0.0f, float(width), float(height), 0.0f, near, far);
+	ortho = glm::ortho(0.0f, fw, fh, 0.0f, near, far);
 	glViewport(0, 0, width, height);
 }