diff options
Diffstat (limited to 'demo')
| -rw-r--r-- | demo/honey.lua | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/demo/honey.lua b/demo/honey.lua index 2b1759f..470880d 100644 --- a/demo/honey.lua +++ b/demo/honey.lua @@ -26,23 +26,21 @@ end) local vertexShaderSource = [[ #version 330 core layout (location = 0) in vec3 aPos; -out vec3 pos; void main() { gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0); - pos = aPos; } ]] local fragmentShaderSource = [[ #version 330 core -in vec3 pos; +uniform vec4 color; out vec4 FragColor; void main() { - FragColor = vec4(pos.x+0.5, 0.0f, 2*(pos.y+pos.x), 1.0f); + FragColor = color; } ]] @@ -100,8 +98,12 @@ while not window.shouldClose(w) do gl.draw.clear(gl.draw.bufferMask.colorBuffer); gl.shader.use(shader) + local time = window.getTime() + local greenValue = (math.sin(time) / 2) + 0.5 + local colorLocation = gl.shader.getUniformLocation(shader, 'color') + gl.shader.uniform4f(colorLocation, 0, greenValue, 0, 1) + gl.data.bindVertexArray(vertexArray) - --gl.draw.drawArrays(gl.draw.primitiveType.triangles, 0, 3) gl.draw.drawElements(gl.draw.primitiveType.triangles, 6, gl.dataType.uint, 0) window.swapBuffers(w) |