gltut / Tut 04 Objects at Rest / data / ManualPerspective.vert

#version 330

layout(location = 0) in vec4 position;
layout(location = 1) in vec4 color;

smooth out vec4 theColor;

uniform vec2 offset;
uniform float zNear;
uniform float zFar;
uniform float frustumScale;

void main()
	vec4 cameraPos = position + vec4(offset.x, offset.y, 0.0, 0.0);
	vec4 clipPos;
	clipPos.xy = cameraPos.xy * frustumScale;
	clipPos.z = cameraPos.z * (zNear + zFar) / (zNear - zFar);
	clipPos.z += 2 * zNear * zFar / (zNear - zFar);
	clipPos.w = -cameraPos.z;
	gl_Position = clipPos;
	theColor = color;
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.