diff options
| -rw-r--r-- | demo/honey.lua | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/demo/honey.lua b/demo/honey.lua index 470880d..7f02006 100644 --- a/demo/honey.lua +++ b/demo/honey.lua @@ -26,21 +26,26 @@ end) local vertexShaderSource = [[ #version 330 core layout (location = 0) in vec3 aPos; +layout (location = 1) in vec3 aColor; + +out vec3 pColor; void main() { + pColor = aColor; gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0); } ]] local fragmentShaderSource = [[ #version 330 core +in vec3 pColor; uniform vec4 color; out vec4 FragColor; void main() { - FragColor = color; + FragColor = vec4(pColor.rgb, 1); } ]] @@ -60,10 +65,11 @@ gl.shader.delete(fragmentShader) local vertices = { - 0.5, 0.5, 0.0, - 0.5, -0.5, 0.0, - -0.5, -0.5, 0.0, - -0.5, 0.5, 0.0 + -- position color + 0.5, 0.5, 0.0, 0, 0, 0, + 0.5, -0.5, 0.0, 1, 0, 0, + -0.5, -0.5, 0.0, 0, 1, 0, + -0.5, 0.5, 0.0, 0, 0, 1 } local indices = { 0, 1, 3, @@ -85,10 +91,10 @@ if gl.getError() ~= gl.errorType.noError then error(gl.getError()) end gl.data.bindBuffer(gl.data.bufferTarget.elementArrayBuffer, elementBuffer) gl.data.bufferData(gl.data.bufferTarget.elementArrayBuffer, gl.dataType.uint, indices, gl.data.bufferUsage.staticDraw) -gl.data.vertexAttribPointer(0, 3, false, 3, 0) -if gl.getError() ~= gl.errorType.noError then error(gl.getError()) end +gl.data.vertexAttribPointer(0, 3, false, 6, 0) gl.data.vertexArrayEnableAttrib(0) -if gl.getError() ~= gl.errorType.noError then error(gl.getError()) end +gl.data.vertexAttribPointer(1, 3, false, 6, 3) +gl.data.vertexArrayEnableAttrib(1) gl.data.bindBuffer(gl.data.bufferTarget.arrayBuffer, 0) if gl.getError() ~= gl.errorType.noError then error(gl.getError()) end |